ورقة عمل علم الأدوية مع الإجابات

What is physical dependence on a drug?

1. AThe drug no longer has any effect, even at much higher doses
2. BThe person takes the drug only when needed
3. CThe person has an allergy to the drug
4. DWithdrawal symptoms appear if the drug is stopped suddenly

Propylthiouracil and carbimazole (or its active form methimazole, also called thiamazole) are used to treat which condition?

1. AAdrenal insufficiency
2. BHyperthyroidism
3. CHypothyroidism
4. DType 1 diabetes

What is a "broad-spectrum" antibiotic?

1. AOne that acts against many Gram-positive and Gram-negative bacteria
2. BOne that is given only intravenously in hospital
3. COne that is taken for a long time at low dose to prevent any infection
4. DOne that also treats viral and fungal infections

How are most medication doses for children calculated?

1. ABy body weight in kilograms, or sometimes body surface area
2. BBy the child's age in years only
3. CBy giving half of the adult dose to all children under 12
4. DBy the child's height alone

Long-term use of metformin can cause a deficiency of which vitamin?

1. AVitamin A
2. BVitamin B12
3. CVitamin K
4. DVitamin D

During an amphotericin B infusion, the patient has fever, chills and shaking. What is the most likely explanation?

1. AA sign that the fungal infection is cured
2. BSevere hypoglycaemia caused by the drug
3. CA sign that the drug has been given into an artery
4. DA common infusion reaction to amphotericin B

A patient on heparin for 7 days has a platelet count that has fallen by more than half, and a new leg vein thrombosis. What is the most likely cause and the key action?

1. AHeparin-induced thrombocytopenia; stop all heparin
2. BWarfarin skin necrosis; switch from heparin to warfarin at once
3. CNormal dilution of platelets; continue and recheck in a week
4. DVitamin K deficiency; give vitamin K and continue heparin

Why is vincristine labelled "for intravenous use only – fatal if given by other routes"?

1. ASubcutaneous injection makes the drug inactive
2. BAccidental intrathecal injection causes fatal ascending neurotoxicity
3. COral vincristine causes immediate anaphylaxis
4. DIntramuscular injection causes severe and prolonged hypoglycaemia